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MC74AC646DWR2G - onsemi

Description: Choice of True and Inverting Data Paths; 3-State Outputs; ACT646 Has TTL Compatible Inputs; Outputs Source/Sink 24 mA; 300 mil Slim Dual In-Line Package; Multiplexed Real-Time and Stored Data Transfers; Independent Registers for A and B Buses; These devices are available in Pb-free package(s). Specifications herein apply to both standard and Pb-free devices. Please see our website at www.onsemi.com for specific Pb-free orderable part numbers, or contact your local ON Semiconductor sales office or representa

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MC74AC646DWR2G - onsemi PCB footprint - Small Outline Packages - Small Outline Packages - SOIC-24 WB CASE 751E-04 ISSUE F
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MC74AC646DWR2G - onsemi  - 3D model - Small Outline Packages - SOIC-24 WB CASE 751E-04 ISSUE F
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MC74AC646DWR2G Details

  • Manufacturer Part Number:

    MC74AC646DWR2G

  • Brand Name:

    onsemi

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC−24 WB

  • Package Description:

    SOIC-24

  • Pin Count:

    24

  • Manufacturer Package Code:

    0.0751

  • Country Of Origin:

    Philippines

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    4 Weeks

  • Manufacturer:

    onsemi

  • YTEOL:

    0

  • Additional Feature:

    SELECT INPUT FOR MULTIPLEXED TRANSMISSION OF REGISTERED/REAL TIME DATA

  • Control Type:

    INDEPENDENT CONTROL

  • Count Direction:

    BIDIRECTIONAL

  • Family:

    AC

  • JESD-30 Code:

    R-PDSO-G24

  • JESD-609 Code:

    e3

  • Length:

    15.395 mm

  • Logic IC Type:

    REGISTERED BUS TRANSCEIVER

  • Max I(ol):

    0.024 A

  • Moisture Sensitivity Level:

    3

  • Number of Bits:

    8

  • Number of Functions:

    1

  • Number of Ports:

    2

  • Number of Terminals:

    24

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Characteristics:

    3-STATE

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP24,.4

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Prop. Delay@Nom-Sup:

    13.5 ns

  • Propagation Delay (tpd):

    18.5 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    2.65 mm

  • Supply Voltage-Max (Vsup):

    6 V

  • Supply Voltage-Min (Vsup):

    2 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    MATTE TIN

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Trigger Type:

    POSITIVE EDGE

  • Width:

    7.5 mm

MC74AC646DWR2G Frequently Asked Questions (FAQs)

  • The recommended operating voltage range for the MC74AC646DWR2G is 2.0V to 6.0V, with a typical voltage of 5.0V.
  • The MC74AC646DWR2G has a thermal pad on the bottom of the package, which should be connected to a thermal plane on the PCB to dissipate heat. Additionally, ensure good airflow around the device and avoid blocking the thermal pad with soldermask or other materials.
  • The maximum frequency of operation for the MC74AC646DWR2G is 100 MHz, but this can vary depending on the specific application and operating conditions.
  • To ensure signal integrity, use controlled impedance traces, minimize trace lengths, and avoid stubs and vias. Also, use a solid ground plane and decouple the power supply with capacitors to reduce noise and ringing.
  • Yes, the MC74AC646DWR2G can be used in a 3.3V system, but ensure that the input signals are within the recommended voltage range of 0.8V to 2.4V for proper operation.

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MC74AC646DWR2G Overview

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